GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Wiper/Washer System Check?

--

Go to Step 2

Go to Wiper/Washer System Check

2

Inspect the washer solvent container for proper fluid level.

Did you find and correct the condition?

--

Go to Step 14

Go to Step 3

3

Inspect for pinched, kinked or disconnected washer hoses.

Did you find and correct the condition?

--

Go to Step 14

Go to Step 4

4

Inspect for clogged windshield washer nozzles.

Did you find and correct the condition?

--

Go to Step 14

Go to Step 5

5

Inspect for an open FRT WPR/WSHR fuse.

Did you find and correct the condition?

--

Go to Step 14

Go to Step 6

6

  1. Disconnect the washer pump connector.
  2. Turn the ignition switch to ON.
  3. Connect a test lamp between terminals A and B of washer pump connector (harness side).
  4. Activate the washer switch while observing the test lamp.

Does the test lamp illuminate?

--

Go to Step 7

Go to Step 9

7

Inspect for a poor connection at the washer pump connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 14

Go to Step 8

8

Replace the washer pump. Refer to Washer Pump Replacement .

Did you complete the replacement?

--

Go to Step 14

--

9

  1. Connect the test lamp between the washer pump connector (harness side), terminal A, and ground.
  2. Activate the washer switch while observing test lamp.

Does the test lamp illuminate?

--

Go to Step 10

Go to Step 11

10

Repair the open in CKT 1650. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 14

--

11

  1. Disconnect wiper/washer switch connector C201.
  2. Connect the test lamp between wiper/washer connector C201, terminal E5, and ground.
  3. Activate the washer switch.

Does the test lamp illuminate?

--

Go to Step 12

Go to Step 13

12

Repair the open in CKT 228. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 14

--

13

Replace the wiper/washer switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .

Did you complete the replacement?

--

Go to Step 14

--

14

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Wiper/Washer System Check